Pterocarya stenoptera 'Fern Leaf'

RHS Plant Profile
wingnut 'Fern Leaf'

Synonyms

Pterocarya × rehderiana 'Fern Leaf'

Award of Garden Merit
Trees

A large tree with a broad ovoid crown. The leaves consist of between13-23 leaf segments. Each leaf segment is very deeply dissected giving the leaf its characteristic fern-like appearance. The bark is often fissured and grey-brown in colour. Small winged green fruits are produced on pendant spikes, up to 30 cm long, in summer.

Position

Full sun

Soil Types

Loam, Clay, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity
20–50 years
Max Spread
wider than 8 metres
Max Height
Higher than 12 metres

Growing Conditions

Loam Clay Sand
Moisture
Moist but well–drained
pH
Neutral or Acid

Position

Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Juglandaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Spreading branched
Genus
Pterocarya are tall deciduous trees with large pinnate leaves and tiny flowers in pendulous catkins, followed by spikes of winged fruits
Name Status
Accepted

How to Grow

Cultivation

Best grown in deep, fertile, moist but well-drained soil in full sun.

Propagation

Propagate from hardwood cuttings or from root suckers

Suggested planting locations and garden types

  • Architectural

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus